Yi Wai Industrial Co., Ltd. is an international manufacture/export company specialize in plugs, jacks, switches, clips, and connectors (see below). Yi Wai's products have been sold to companies throughout the world. Those companies include Tandy, Motorola, Phillips, EST, just to name a few. Yi Wai has been in business for over 16 years. It was started by Mr. James Chang in 1980 with one simple philosophy, to sell the best products, with the most competitive price. Main Business Scoop: * RCA plug, banana plug, binding post, terminal block. * Plugs, jacks, switches, clips. * RF connector-BNC, UHF, N, TNC, Twinax, F and interseries adapters.